/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.inspur.edp.metadata.rtcustomization.common.event;

import com.inspur.edp.metadata.rtcustomization.spi.event.IMetadataRtEventListener;
import io.iec.edp.caf.commons.event.CAFEventArgs;
import io.iec.edp.caf.commons.event.EventManager;
import io.iec.edp.caf.commons.event.IEventListener;

public class MetadataRtEventManager extends EventManager {

    /**
     * 内部枚举类
     */
    enum MetadataRtEventType {
        fireMetadataSavingEvent,
        fireMetadataSavedEvent,
        fireMetadataDeletingEvent,
        fireMetadataDeletedEvent,
        fireGeneratedMetadataSavingEvent,
        fireGeneratedMetadataSavedEvent,
        fireMetadataAchievedEvent;
    }

    public void fireMetadataSavingEvent(CAFEventArgs e) {
        this.fire(MetadataRtEventType.fireMetadataSavingEvent, e);
    }

    public void fireMetadataSavedEvent(CAFEventArgs e) {
        this.fire(MetadataRtEventType.fireMetadataSavedEvent, e);
    }

    public void fireMetadataDeletingEvent(CAFEventArgs e) {
        this.fire(MetadataRtEventType.fireMetadataDeletingEvent, e);
    }

    public void fireMetadataDeletedEvent(CAFEventArgs e) {
        this.fire(MetadataRtEventType.fireMetadataDeletedEvent, e);
    }

    public void fireGeneratedMetadataSavingEvent(CAFEventArgs e) {
        this.fire(MetadataRtEventType.fireGeneratedMetadataSavingEvent, e);
    }

    public void fireGeneratedMetadataSavedEvent(CAFEventArgs e) {
        this.fire(MetadataRtEventType.fireGeneratedMetadataSavedEvent, e);
    }

    public void fireMetadataAchievedEvent(CAFEventArgs e) {
        this.fire(MetadataRtEventType.fireMetadataAchievedEvent, e);
    }

    /**
     * 实现抽象方法getCode(),获取事件管理对象的编码
     *
     * @return 事件管理对象的编码
     */
    @Override
    public String getEventManagerName() {
        return "MetadataRtEventManager";
    }

    /**
     * 当前的事件管理者是否处理输入的事件监听者对象
     *
     * @param listener 事件监听者
     * @return 若处理，则返回true,否则返回false
     */
    @Override
    public boolean isHandlerListener(IEventListener listener) {
        return listener instanceof IMetadataRtEventListener;
    }

    /**
     * 注册事件
     *
     * @param listener 监听者
     */
    @Override
    public void addListener(IEventListener listener) {
        if (listener instanceof IMetadataRtEventListener == false) {
            throw new RuntimeException("指定的监听者没有实现IDemoEventListener接口");
        }
        IMetadataRtEventListener metadataRtEventListener = (IMetadataRtEventListener) listener;
        this.addEventHandler(MetadataRtEventType.fireMetadataSavingEvent, metadataRtEventListener, "fireMetadataSavingEvent");
        this.addEventHandler(MetadataRtEventType.fireMetadataSavedEvent, metadataRtEventListener, "fireMetadataSavedEvent");
        this.addEventHandler(MetadataRtEventType.fireMetadataDeletingEvent, metadataRtEventListener, "fireMetadataDeletingEvent");
        this.addEventHandler(MetadataRtEventType.fireMetadataDeletedEvent, metadataRtEventListener, "fireMetadataDeletedEvent");
        this.addEventHandler(MetadataRtEventType.fireGeneratedMetadataSavingEvent, metadataRtEventListener, "fireGeneratedMetadataSavingEvent");
        this.addEventHandler(MetadataRtEventType.fireGeneratedMetadataSavedEvent, metadataRtEventListener, "fireGeneratedMetadataSavedEvent");
        this.addEventHandler(MetadataRtEventType.fireMetadataAchievedEvent, metadataRtEventListener, "fireMetadataAchievedEvent");
    }

    /**
     * 注销事件
     *
     * @param listener 监听者
     */
    @Override
    public void removeListener(IEventListener listener) {
        if (listener instanceof IMetadataRtEventListener == false) {
            throw new RuntimeException("指定的监听者没有实现IDemoEventListener接口");
        }
        IMetadataRtEventListener metadataRtEventListener = (IMetadataRtEventListener) listener;
        this.removeEventHandler(MetadataRtEventType.fireMetadataSavingEvent, metadataRtEventListener, "fireMetadataSavingEvent");
        this.removeEventHandler(MetadataRtEventType.fireMetadataSavedEvent, metadataRtEventListener, "fireMetadataSavedEvent");
        this.removeEventHandler(MetadataRtEventType.fireMetadataDeletingEvent, metadataRtEventListener, "fireMetadataDeletingEvent");
        this.removeEventHandler(MetadataRtEventType.fireMetadataDeletedEvent, metadataRtEventListener, "fireMetadataDeletedEvent");
        this.removeEventHandler(MetadataRtEventType.fireGeneratedMetadataSavingEvent, metadataRtEventListener, "fireGeneratedMetadataSavingEvent");
        this.removeEventHandler(MetadataRtEventType.fireGeneratedMetadataSavedEvent, metadataRtEventListener, "fireGeneratedMetadataSavedEvent");
        this.removeEventHandler(MetadataRtEventType.fireMetadataAchievedEvent, metadataRtEventListener, "fireMetadataAchievedEvent");
    }
}
